Warning: Do not enter any wrong unlock unlock codes on your MTS 420D mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.1. Switch ON your MTS 420D with a
Not ACCEPTED SIM Card.
2. If your MTS 420D asks for a PIN code, then enter your SIM card PIN and press OK.
3. MTS 420D will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your MTS 420D is now unlocked.
*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your MTS 420D is locked to.
Each MTS 420D mobile phone has an unique unlock code. You can buy the unique unlock code for your MTS 420D mobile phone at www.mobileunlocksolutions.com.